<?php 

$cacheName = 'chatcache.xml'; 

$ageInSeconds = 60; 
  
if(!file_exists($cacheName) || filemtime($cacheName) > time() + $ageInSeconds);  
{ 
  $contents = file_get_contents('http://chaturbate.com/affiliates/api/onlinerooms/?format=xml&wm=isCir'); 
  file_put_contents($cacheName, $contents); 
} 

?>